What is there to document? He doesn't understand the Standard; A fine example of a government employee telling a knowledgeable contractor what to do.
Sent from my iPhone On Jul 11, 2013, at 4:56 PM, Bobby Gillett <[email protected]> wrote: > We have a project that requires a Free Standing FDC. Typically we would use > the scenario of putting the backflow preventer above ground and mounting > the FDC on the dishcarge side of the backflow before going back > underground to supply the system in the building. The local fire marshall > is wanting the FDC to come off the interior system and pipe underground > back out to the FDC; he is quoting the explanation after 912.1 of the 2012 > IFC: "These connections give the fire department the capability of > supplying the necessary water to the automatic sprinkler system at a > sufficient pressure *without pressurizing the underground supply*." > I believe this is being misinterpreted - my interpretation is that this is > referencing *not pressurizing the underground supply* on the supply side of > the backflow (or a check valve depending on the scenario) - not the > underground to the system on the discharge side of the backflow. > > Has anyone dealt with this scenario yet and is their documentation out > there straightening this out? > > Thank you, > > Bobby Gillett > Living Water Fire Protection, LLC > (850) 937-1850 > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
